US2992816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated liquid spring
Assignee: Cleveland Pneumatic Industries Inc
•
Filing: 1957-05-16
•
Granted: 1961-07-18
•
Expires: 1977-05-16
Abstract
No abstract record available.
Inventors
- 👤 William A Gail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:22
CPC Classifications
F; F16; F16F; F16F5/00; F16F9/00; F16F9/32; F16F9/50; F16F9/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB158574A
Cited
US2327021A
Cited
US2566736A
Cited
US2620182A
Cited
US2581856A
Cited
GB685469A
Cited
US2773517A
Cited
US2819728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |